From owner-freebsd-arch@freebsd.org Wed Mar 23 03:15:17 2016 Return-Path: Delivered-To: freebsd-arch@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A19B1AC9FAF for ; Wed, 23 Mar 2016 03:15:17 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mailman.ysv.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 856C81D23 for ; Wed, 23 Mar 2016 03:15:17 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mailman.ysv.freebsd.org (Postfix) id 8118BAC9FAE; Wed, 23 Mar 2016 03:15:17 +0000 (UTC) Delivered-To: arch@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 80B17AC9FAD for ; Wed, 23 Mar 2016 03:15:17 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-io0-x234.google.com (mail-io0-x234.google.com [IPv6:2607:f8b0:4001:c06::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4EB081D21; Wed, 23 Mar 2016 03:15:17 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-io0-x234.google.com with SMTP id o5so12773351iod.2; Tue, 22 Mar 2016 20:15:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=q+YnFBKjrtyKaWhgeSezDEIbnWE8qx4BPbJlDBSu63E=; b=frp32XEBAK0iDNFlS9NjJPWp8vDhUsquAIOcu4EwM+1EHT2hrWhs/wzMjo4ffA1tmO Q2tQzxe8gstKJt/g/3Bag1B4djBc7XUCeYC+3LCH9sB7bTdgaGLY2oV8Z8fv5NWw/imj iELlw9IfR6KkfupBS6/TQGOb2ICInByb426Jv1I/VObN0Ks3Tu77ceNvlKD8MGHLM9oY TYhGBGdtjlo/rohw6oGrYJy1nqf/p8/6lHKbwPFUDM8blZvzqoBDAkpyU6nmc46Iyu5K ldv8iXkn0UC/NfTrTqrUoQtKVrja6P9WnQ+1/mqOTT2afS8UGCTGpBTJw+SyXwoNjsIx DuDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=q+YnFBKjrtyKaWhgeSezDEIbnWE8qx4BPbJlDBSu63E=; b=QensDTFIZ6v9gPMxWb8ytC8PyxwAfOcK6DpJzKlZ6GaVkT8sT/B93MyT0GhdIrAMP/ j1EFp9ASGzEDZ8xAKjam53w4tKo9APrmDNBH+KhE3SStuiUaGm3hQLlog3rtXd4Gc5RM PERsJmQTc438KtZrHnO3Xy6kJIUK62JnW9jvDOk63+EumtVSyyylMOx783cg5uVEos+v Hjv3PGg0v6Xvezsq4O3tTRQyPzw7xBFhwwoU+XGs9BczTC7EGpL7lIrTyx++nB/QfWg8 GCZQuiCeK38cUnSIFZyYM2L566lc4szqX1e1wN9m4e3vyLA5HNmIIPKW7HDE3MVfpzLB rMFw== X-Gm-Message-State: AD7BkJIo77WOzDF7xzvsEEvI/3x6HbdY+JvZZcH+cIF0z67zFhl1tA1e0aKCpiiHBsmcXy6RmeqQOJGAJfBmig== MIME-Version: 1.0 X-Received: by 10.50.8.102 with SMTP id q6mr1046629iga.37.1458702916783; Tue, 22 Mar 2016 20:15:16 -0700 (PDT) Received: by 10.36.14.19 with HTTP; Tue, 22 Mar 2016 20:15:16 -0700 (PDT) In-Reply-To: <27035442.YCnG4SQ1mX@ralph.baldwin.cx> References: <27035442.YCnG4SQ1mX@ralph.baldwin.cx> Date: Tue, 22 Mar 2016 20:15:16 -0700 Message-ID: Subject: Re: More fine-grained NUMA knobs From: Adrian Chadd To: John Baldwin Cc: "freebsd-arch@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Mar 2016 03:15:17 -0000 +1 by me! -a On 22 March 2016 at 17:13, John Baldwin wrote: > Some of the I/O device affinity stuff such as bus_get_domain() (and the > bus_get_cpus() I have in review in D5519) are useful on their own right even > if the VM system is not doing NUMA-aware allocations. I think it would be > useful to be able to enable these two "prongs" of NUMA awareness > independently. To that end, I have a little strawman patch that adds two > new kernel options: VM_NUMA_ALLOC and DEVICE_NUMA. I actually think it is > probably worth enabling DEVICE_NUMA by default on x86 (and bumping the > default MAXMEMDOM to, say, 8 (quad-socket haswell)). > > You can see the simple patch at: > > https://github.com/bsdjhb/freebsd/compare/master...bsdjhb:numa_opts > > Thoughts? > > -- > John Baldwin > _______________________________________________ > freebsd-arch@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arch > To unsubscribe, send any mail to "freebsd-arch-unsubscribe@freebsd.org"